Search Results - "Rech, Jason A"

Radiocarbon dating of small terrestrial gastropod shells in North America by Pigati, Jeffrey S., Rech, Jason A., Nekola, Jeffrey C.

“…Fossil shells of small terrestrial gastropods are commonly preserved in wetland, alluvial, loess, and glacial deposits, as well as in sediments at many…”
Get full text

Evolution of Chaka Salt Lake in NW China in response to climatic change during the Latest Pleistocene–Holocene by Xingqi, Liu, Dong, Hailiang, Rech, Jason A., Matsumoto, Ryo, Bo, Yang, Yongbo, Wang

“…The Late Pleistocene and Holocene hydrologic balance of Chaka Salt Lake in the eastern Qaidam Basin of NW China was studied based on the analysis of…”
Get full text

A global review of beaver dam impacts: Stream conservation implications across biomes by Grudzinski, Bartosz P., Fritz, Ken, Golden, Heather E., Newcomer-Johnson, Tammy A., Rech, Jason A., Levy, Jonathan, Fain, Justin, McCarty, Jessica L., Johnson, Brent, Vang, Teng Keng, Maurer, Karsten

“…Beaver are recolonizing previously occupied regions, expanding into new territories, and increasingly being introduced and protected for stream conservation…”
Get full text

Endolithic cyanobacteria in soil gypsum: Occurrences in Atacama (Chile), Mojave (United States), and Al-Jafr Basin (Jordan) Deserts by Dong, Hailiang, Rech, Jason A., Jiang, Hongchen, Sun, Henry, Buck, Brenda J.

“…Soil sulfates are present in arid and hyperarid environments on Earth and have been found to be abundant in soils on Mars. Examination of soil gypsum from the…”
Get full text

Early Upper Paleolithic chronology in the Levant: new ABOx-SC accelerator mass spectrometry results from the Mughr el-Hamamah Site, Jordan by Stutz, Aaron Jonas, Shea, John J., Rech, Jason A., Pigati, Jeffrey S., Wilson, Jim, Belmaker, Miriam, Albert, Rosa Maria, Arpin, Trina, Cabanes, Dan, Clark, Jamie L., Hartman, Gideon, Hourani, Fuad, White, Chantel E., Nilsson Stutz, Liv

“…Methodological developments and new paleoanthropological data remain jointly central to clarifying the timing and systemic interrelationships between the…”
Get full text

Accumulation of impact markers in desert wetlands and implications for the Younger Dryas impact hypothesis by Pigati, Jeffrey S, Latorre, Claudio, Rech, Jason A, Betancourt, Julio L, Martínez, Katherine E, Budahn, James R

“…The Younger Dryas impact hypothesis contends that an extraterrestrial object exploded over North America at 12.9 ka, initiating the Younger Dryas cold event,…”
Get full text

Desert wetlands in the geologic record by Pigati, Jeffrey S., Rech, Jason A., Quade, Jay, Bright, Jordon

“…Desert wetlands support flora and fauna in a variety of hydrologic settings, including seeps, springs, marshes, wet meadows, ponds, and spring pools. Over…”
Get full text

Nitrate, perchlorate, and iodate co-occur in coastal and inland deserts on Earth by Lybrand, Rebecca A., Bockheim, James G., Ge, Wensheng, Graham, Robert C., Hlohowskyj, Stephan R., Michalski, Greg, Prellwitz, Joel S., Rech, Jason A., Wang, Fan, Parker, David R.

“…Deserts accumulate soluble salts from atmospheric deposition that impact human health, are a source of nutrients for organisms, and provide insight into how…”
Get full text

Soils at the hyperarid margin: The isotopic composition of soil carbonate from the Atacama Desert, Northern Chile by Quade, Jay, Rech, Jason A., Latorre, Claudio, Betancourt, Julio L., Gleeson, Erin, Kalin, Mary T.K.

“…We evaluate the impact of exceptionally sparse plant cover (0–20%) and rainfall (2–114 mm/yr) on the stable carbon and oxygen composition of soil carbonate…”
Get full text

Evidence for the development of the Andean rain shadow from a Neogene isotopic record in the Atacama Desert, Chile by Rech, Jason A., Currie, Brian S., Shullenberger, Eric D., Dunagan, Stan P., Jordan, Teresa E., Blanco, Nicolás, Tomlinson, Andrew J., Rowe, Harry D., Houston, John

“…Varying ages from Triassic to Pliocene have been proposed for the onset of hyperaridity in the Atacama Desert. The exact timing for the initiation of…”
Get full text

Isotopic evidence for the source of Ca and S in soil gypsum, anhydrite and calcite in the Atacama Desert, Chile by Rech, Jason A, Quade, Jay, Hart, William S

“…The origin of pedogenic salts in the Atacama Desert has long been debated. Possible salt sources include in situ weathering at the soil site, local sources…”
Get full text

An evaluation of Mesodon and other larger terrestrial gastropod shells for dating late Holocene and historic alluvium in the Midwestern USA by Rakovan, Monica T., Rech, Jason A., Pigati, Jeffrey S., Nekola, Jeffrey C., Wiles, Gregory C.

“…Understanding the history of stream erosion and changes in channel morphology is important for managing and restoring unstable streams. One of the significant…”
Get full text

Re-evaluation of mid-Holocene deposits at Quebrada Puripica, northern Chile by Rech, Jason A, Pigati, Jeffrey S, Quade, Jay, Betancourt, Julio L

“…During the middle Holocene (8–3 ka), wetland deposits accumulated in areas with emergent water tables in the central Atacama Desert (22–24°S), producing a…”
Get full text

Uncertainties in the oxygen isotopic composition of barium sulfate induced by coprecipitation of nitrate by Michalski, Greg, Kasem, Michelle, Rech, Jason A., Adieu, Sabine, Showers, William S., Genna, Bernie, Thiemens, Mark

“…Coprecipitation of nitrate and sulfate by barium has probably resulted in significant error in numerous studies dealing with the oxygen isotopic composition of…”
Get full text

Raw Material Quality and Prepared Core Technologies in Northeast Asia by Brantingham, P.Jeffrey, Olsen, John W., Rech, Jason A., Krivoshapkin, Andrei I.

“…The design and assembly of lithic toolkits is mediated by a number of factors including the abundance and quality of raw materials available. In general, low…”
Get full text

The influence of slope aspect on soil weathering processes in the Springerville volcanic field, Arizona by Rech, Jason A., Reeves, Richard W., Hendricks, David M.

“…A comparison was made between soils on north- and south-facing slopes of six cinder cones in the Springerville volcanic field (SVF), Arizona, in order to…”
Get full text

New uses for old laboratory techniques: How radiocarbon dating of mortar and plaster could change the chronology of the ancient near east by RECH, Jason A

“…In the ancient Near East, floors, walls, roads, aqueducts and even art were constructed of mortar and plaster. Lime cements were used to make everything from…”
Get full text

New Uses for Old Laboratory Techniques by Rech, Jason A.

“…Mortar and plaster were used extensively in the ancient Near East to construct floors, walls, roads, aqueducts and even to create art. As a result, these…”
Get full text

Massive middle Miocene gypsic paleosols in the Atacama Desert and the formation of the Central Andean rain-shadow by Rech, Jason A., Currie, Brian S., Jordan, Teresa E., Riquelme, Rodrigo, Lehmann, Sophie B., Kirk-Lawlor, Naomi E., Li, Shanying, Gooley, Jared T.

“…The Central Andes of South America are one of the highest and broadest mountain ranges on earth and have a profound influence on climate in the Southern…”
Get full text

Late Pleistocene human occupation of the hyperarid core in the Atacama Desert, northern Chile by Latorre, Claudio, Santoro, Calogero M., Ugalde, Paula C., Gayo, Eugenia M., Osorio, Daniela, Salas-Egaña, Carolina, De Pol-Holz, Ricardo, Joly, Delphine, Rech, Jason A.

“…Few archeological sites in South America contain uncontroversial evidence for when the first peopling of the continent occurred. Largely ignored in this…”
Get full text